Penetration core
[机] 增压砂心
🧩 词语组成解析
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
core
[kɔ:]
n. 中心，核心，精髓;果心，果核;[地质学]地核;[计] 磁心;
vt. 去（果）核，挖去…的果心;提取岩芯（样品）;
🗣️ 情景例句
I like to snack between meals
正餐间我爱吃点零食。
Have you bought any cake?
你买蛋糕吗？
We've got to think of ways of changing people's habits.
我们得想想办法，改变人们的习惯。